Material Analysis
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POE surface blooming exudation
Problem Phenomenon
POE product surface exudes white frost-like low molecular substances, affecting appearance
Cause Analysis
Low molecular weight components in POE migrate to the surface and exude during storage; lubricant or plasticizer supersaturated exudation
Solution
1) Select high molecular weight POE to reduce low molecular substances; 2) Reduce lubricant addition to a reasonable level; 3) Clean product surface and then detect the source
Key Takeaway
Blooming is caused by low molecular migration and exudation; selecting high molecular weight grade is fundamental
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